CN109406571A - A kind of mid-deep strata geothermal well original position enclosed water circulation heat exchange strength tester - Google Patents
A kind of mid-deep strata geothermal well original position enclosed water circulation heat exchange strength tester Download PDFInfo
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- CN109406571A CN109406571A CN201811489183.2A CN201811489183A CN109406571A CN 109406571 A CN109406571 A CN 109406571A CN 201811489183 A CN201811489183 A CN 201811489183A CN 109406571 A CN109406571 A CN 109406571A
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- sensor
- geothermal well
- temperature sensor
- tester
- flow
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
Abstract
The invention discloses a kind of mid-deep strata geothermal well original position enclosed water circulation heat exchange strength testers, first tester includes variable frequency pump, the first temperature sensor, first flow sensor, second temperature sensor and first pressure sensor on the water inlet pipe that water (flow) direction is successively set on geothermal well, first temperature sensor, first flow sensor, second temperature sensor and first pressure sensor are connected with the first data acquisition recorder, and the first data acquisition recorder is connected with the first data remote transmitting module；Second tester includes second pressure sensor, the 4th temperature sensor, second flow sensor and the 5th temperature sensor on the outlet pipe that water (flow) direction is successively set on geothermal well, second pressure sensor, the 4th temperature sensor, second flow sensor and the 5th temperature sensor are connected with the second data acquisition recorder, and the second data acquisition recorder is connected with the second data remote transmitting module.
Description
Technical field
The present invention relates to underground heat the field of test technology, and in particular to a kind of mid-deep strata geothermal well original position enclosed water circulation heat exchange
Strength tester.
Background technique
Rapid in north of China Urbanization Progress, many urban development area central heating systems are not perfect, and coal is non-clear
Clean burning exists, under the conditions of the real energy resource supply of natural gas supply wretched insufficiency, and underground heat is as a kind of distributed energy, to confession
Heat plays an important role, and Geothermal Exploitation and Utilization also plays a significant role building energy conservation, reduction discharge, environment protection；
And in Geothermal Exploitation and Utilization, the test of geothermal well temperature and flow directly reflects the heat capacity of geothermal well.
There is presently no set of heat transfer intensity test device, tradition utilizes temperature sensor, flow sensor etc. voluntarily
Connection, the measuring accuracy of system is difficult to ensure, inconvenient to use, cannot intuitively reflect the heat transfer intensity of geothermal well.
Summary of the invention
Aiming at the shortcomings existing in the above problems, the present invention provides a kind of mid-deep strata geothermal well original position closed-up water circulation
Heat transfer intensity tester.
The invention discloses a kind of mid-deep strata geothermal well original position enclosed water circulation heat exchange strength tester, geothermal well into
Water pipe is equipped with the first tester, and the second tester is equipped on the outlet pipe of geothermal well；
First tester includes the variable frequency pump being successively set on the water inlet pipe along water (flow) direction, the first temperature biography
Sensor, first flow sensor, second temperature sensor and first pressure sensor, it is first temperature sensor, first-class
Quantity sensor, second temperature sensor and first pressure sensor are connected with the first data acquisition recorder, first number
It is connected according to acquisition and recording instrument with the first data remote transmitting module；
Second tester includes the second pressure sensor being successively set on the outlet pipe along water (flow) direction,
Four temperature sensors, second flow sensor and the 5th temperature sensor, the second pressure sensor, the 4th temperature sensing
Device, second flow sensor and the 5th temperature sensor are connected with the second data acquisition recorder, the second data acquisition
Recorder is connected with the second data remote transmitting module.
As a further improvement of the present invention, the geothermal well is U-shaped dock or coaxial sleeve tube.
As a further improvement of the present invention, the geothermal well is connected by water inlet pipe with water supply well or feed cistern.
As a further improvement of the present invention, the variable frequency pump includes water pump and variable frequency control device of water pump.
As a further improvement of the present invention, first tester further includes for detecting locating for first tester
The third temperature sensor of environment temperature, the third temperature sensor are connected with first data acquisition recorder.
As a further improvement of the present invention, first tester further includes that the static state being arranged on the outlet pipe is put down
Weigh valve, and the static balancing valve is between the second temperature sensor and first pressure sensor.
Compared with prior art, the invention has the benefit that
The present invention uses recirculated water thermometric, and the water of steady temperature and flow rate is absorbed by well casing into underground cyclic process
The heat of ground, well casing exit water temperature increase；More intuitive underground heat can be obtained by the temperature difference and flow rate of well casing water-in and water-out
The synthesis heat transfer intensity of well；
The present invention realizes that the quantitative timing of flow is adjusted, by variable frequency pump so as to accurately obtain the temperature of different flow
Degree variation response, so that the exchange capability of heat of geothermal well under dynamic loading conditions is calculated, when this is simulant building heat supply and interval
Between under the conditions of the energy-saving design of quantity of circulating water of geothermal well more acurrate parameter foundation is provided；
The intensive degree and high degree of automation of tester of the present invention, measuring accuracy significantly improve, and test data can be real-time
Remote transmission shows and its saves.
Detailed description of the invention
Fig. 1 is mid-deep strata geothermal well original position enclosed water circulation heat exchange strength tester disclosed in an embodiment of the present invention
Schematic diagram.
In figure:
10, geothermal well；11, water inlet pipe；12, outlet pipe；20, the first tester；21, variable frequency pump；21-1, water pump；21-2,
Variable frequency control device of water pump；22, the first temperature sensor；23, first flow sensor；24, second temperature sensor；25, quiet
State balanced valve；26, first pressure sensor；27, third temperature sensor；28, the first data acquisition recorder；29, the first number
According to remote-transmission module；30, the second tester；31, second pressure sensor；32, the 4th temperature sensor；33, second flow senses
Device；34, the 5th temperature sensor；35, the second data acquisition recorder；36, the second data remote transmitting module；40, water supply well.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
The present invention is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, the invention discloses a kind of mid-deep strata geothermal well original position enclosed water circulation heat exchange strength tester, packet
It includes: geothermal well 10, the first tester 20, the second tester 30 and water supply well 40；Wherein:
Geothermal well 10 of the invention is connected by water inlet pipe 11 with water supply well 40 or feed cistern, and geothermal well 10 is shown in Fig. 1
U-shaped geothermal well, can also be used the geothermal well of coaxial sleeve tube geothermal well or other structures form, water supply well 40 or feed cistern are used
In providing for geothermal well 10, temperature is stable, the enough water sources of water；Geothermal well 10 will be using after geothermal heating by outlet pipe 12
Water be delivered in corresponding energy utilization device.In order to realize that the comprehensive of centering deep geothermal heat well original position closed-up water circulation is surveyed
Examination, the present invention are equipped with the first tester 20 on the water inlet pipe 11 of geothermal well 10, and the is equipped on the outlet pipe 12 of geothermal well 10
Two testers 20.
First tester 20 of the invention includes variable frequency pump 21, the first temperature sensor 22, first flow sensor 23, the
Two temperature sensors 24, static balancing valve 25, first pressure sensor 26, third temperature sensor 27, the first data acquisition note
Record instrument 28 and the first data remote transmitting module 29；Variable frequency pump 21, the first temperature sensor 22, the 23, second temperature of first flow sensor
It spends the water (flow) direction of sensor 24, static balancing valve 25, first pressure sensor 26 in water inlet pipe and is sequentially arranged at water inlet pipe
On 11, variable frequency pump 21 is existing conventional equipment, is made of water pump 21-1 and variable frequency control device of water pump 21-2, water pump 21-1
The power of watering cycle is mentioned, the flow that variable frequency control device of water pump 21-2 mainly controls water pump 21-1 is adjusted；First temperature sensing
Device 22 and second temperature sensor 24 carry out the temperature measurement in water inlet pipe 11, secondary survey of the second temperature sensor 24 to water temperature
Temperature accuracy and stability can be improved in amount；First flow sensor 23 is used to measure the flow of inlet water of geothermal well, first pressure
Sensor 26 is used to measure the intake pressure of geothermal well, and static balancing valve 25 is used to finely tune the flow of water circulation.Third temperature passes
Sensor 27 is placed in air, for detecting the first tester local environment temperature；First temperature sensor 22, first flow sensing
Device 23, second temperature sensor 24, first pressure sensor 26 and third temperature sensor 27 with the first data acquiring and recording
Instrument 28 is connected, and the first data acquisition recorder 28 is connected with the first data remote transmitting module 29；Each sensor by temperature detected,
The data such as flow, pressure are transmitted in the first data acquisition recorder 28, and the first data acquisition recorder 28 is for acquiring, storing
And displays temperature, flow, pressure data, and data remote transmission is carried out by the first data remote transmitting module 29；Data acquisition note
It records instrument and data remote transmitting module (RS-485 data remote transmission module) is existing conventional instrument or device, can directly purchase
It can buy.
Second tester 30 of the invention includes second pressure sensor 31, the 4th temperature sensor 32, second flow biography
Sensor 33, the 5th temperature sensor 34, the second data acquisition recorder 35 and the second data remote transmitting module 36, second pressure sensing
Device 31, the 4th temperature sensor 32, the water flow side of second flow sensor 33 and the 5th temperature sensor 34 in outlet pipe 12
To being sequentially arranged on outlet pipe 12, second pressure sensor 31 is used to measure the discharge pressure of geothermal well, the 4th temperature sensing
Device 32 and the 5th temperature sensor 34 carry out the temperature measurement in outlet pipe 12, secondary survey of the 5th temperature sensor 34 to water temperature
Temperature accuracy and stability can be improved in amount；Second pressure sensor 31, the 4th temperature sensor 32, second flow sensor 33
It is connected with the second data acquisition recorder 35 with the 5th temperature sensor 34, the second data acquisition recorder 35 and the second data
Remote-transmission module 36 is connected；The data such as temperature detected, flow, pressure are transmitted to the second data acquisition recorder by each sensor
In 35, the secondth data acquisition recorder 35 passes through the second number for acquiring, storing and displays temperature, flow, pressure data
Data remote transmission is carried out according to remote-transmission module 36.
When the present invention uses:
Sufficient amount water in water supply well 40 or feed cistern is pumped into geothermal well 10 by water inlet pipe 11 by variable frequency pump 21, water
The basic demand of water is clean not muddy water in source well 40 or feed cistern；It is first sharp to recirculated water before geothermal well 10 of intaking
Temperature measurement is carried out with the first temperature sensor 22, then flow measurement is carried out by first flow sensor 23, then pass through second
Temperature sensor 24 carries out temperature measurement, and first pressure sensor 26 is arranged before geothermal well water inlet and carries out pressure measurement；
It is come out in geothermal well water outlet and the progress pressure measurement of second pressure sensor 31 is set, then pass sequentially through the 4th temperature sensor 32
Temperature measurement is carried out, then flow measurement (double measurement raising flow accuracy and stabilization are carried out by second flow sensor 33
Property), then temperature measurement is carried out by the 5th temperature sensor 34, then water is discharged.Third temperature sensor 27 is for supervising
Survey environment temperature locating for instrument, the first temperature sensor 22, first flow sensor 23, second temperature sensor 24, first
27 output signal of pressure sensor 26 and third temperature sensor, and the first data acquisition recorder 28 is input a signal into, and benefit
Data remote is carried out with the first data remote transmitting module 29；Second pressure sensor 31, the 4th temperature sensor 32, second flow pass
34 output signal of sensor 33 and the 5th temperature sensor, and the second data acquisition recorder 35 will be inputted, and utilize the second data
Remote-transmission module 36 carries out data remote.The flow adjusting of water pump 21-1 is individually mainly controlled by frequency-converting control device 21-2, static
Balanced valve 25 is finely tuned.
Advantages of the present invention are as follows:
The present invention can more intuitively reflect the heat transfer intensity of geothermal well using recirculated water thermometric；The present invention passes through variable frequency pump,
Realize that the quantitative timing of flow is adjusted, so as to accurately obtain the temperature change response of different flow, to calculate dynamic
The exchange capability of heat of geothermal well under loading condiction, this is simulant building heat supply and the quantity of circulating water of geothermal well under the conditions of the intermittent time
Energy-saving design provides more acurrate parameter foundation；The intensive degree and high degree of automation of tester of the present invention, measuring accuracy are aobvious
It writes and improves, test data can real time remote transmission display and its preservation.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of mid-deep strata geothermal well original position enclosed water circulation heat exchange strength tester, which is characterized in that in the water inlet of geothermal well
Pipe is equipped with the first tester, and the second tester is equipped on the outlet pipe of geothermal well；
First tester includes the variable frequency pump being successively set on the water inlet pipe along water (flow) direction, the first temperature sensing
Device, first flow sensor, second temperature sensor and first pressure sensor, first temperature sensor, first flow
Sensor, second temperature sensor and first pressure sensor are connected with the first data acquisition recorder, first data
Acquisition and recording instrument is connected with the first data remote transmitting module；
Second tester includes the second pressure sensor being successively set on the outlet pipe along water (flow) direction, the 4th temperature
Spend sensor, second flow sensor and the 5th temperature sensor, the second pressure sensor, the 4th temperature sensor, the
Two flow sensors and the 5th temperature sensor are connected with the second data acquisition recorder, second data acquisition recorder
It is connected with the second data remote transmitting module.
2. mid-deep strata geothermal well as described in claim 1 original position enclosed water circulation heat exchange strength tester, which is characterized in that institute
Stating geothermal well is U-shaped dock or coaxial sleeve tube.
3. mid-deep strata geothermal well as described in claim 1 original position enclosed water circulation heat exchange strength tester, which is characterized in that institute
Geothermal well is stated to be connected by water inlet pipe with water supply well or feed cistern.
4. mid-deep strata geothermal well as described in claim 1 original position enclosed water circulation heat exchange strength tester, which is characterized in that institute
Stating variable frequency pump includes water pump and variable frequency control device of water pump.
5. mid-deep strata geothermal well as described in claim 1 original position enclosed water circulation heat exchange strength tester, which is characterized in that institute
Stating the first tester further includes the third temperature sensor for detecting the first tester local environment temperature, the third
Temperature sensor is connected with first data acquisition recorder.
6. mid-deep strata geothermal well as described in claim 1 original position enclosed water circulation heat exchange strength tester, which is characterized in that institute
Stating the first tester further includes the static balancing valve being arranged on the outlet pipe, and the static balancing valve is located at second temperature
It spends between sensor and first pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489183.2A CN109406571A (en) | 2018-12-06 | 2018-12-06 | A kind of mid-deep strata geothermal well original position enclosed water circulation heat exchange strength tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489183.2A CN109406571A (en) | 2018-12-06 | 2018-12-06 | A kind of mid-deep strata geothermal well original position enclosed water circulation heat exchange strength tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109406571A true CN109406571A (en) | 2019-03-01 |
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ID=65457684
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811489183.2A Pending CN109406571A (en) | 2018-12-06 | 2018-12-06 | A kind of mid-deep strata geothermal well original position enclosed water circulation heat exchange strength tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050488A (en) * | 2020-08-31 | 2020-12-08 | 浙江工业大学 | Underground diaphragm wall-based geothermal utilization system and utilization method thereof |
-
2018
- 2018-12-06 CN CN201811489183.2A patent/CN109406571A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050488A (en) * | 2020-08-31 | 2020-12-08 | 浙江工业大学 | Underground diaphragm wall-based geothermal utilization system and utilization method thereof |
| CN112050488B (en) * | 2020-08-31 | 2024-05-03 | 浙江工业大学 | Geothermal utilization system and method based on underground diaphragm wall |
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